Genuine Volvo VGT Turbo Actuator | PN 85013731

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The Volvo VGT Turbo Actuator (85013731) controls the variable geometry turbocharger on Volvo D13 engines by adjusting vane position to optimize boost pressure across all engine speeds and loads. A calibrated OEM replacement actuator is essential — generic aftermarket actuators frequently cause persistent fault codes because they are not calibrated to D13 ECM specifications. Symptoms of a failing VGT actuator include poor throttle response, black smoke, reduced power, and turbocharger-related fault codes.

Q: Which trucks does this VGT actuator fit?
A: Fits Volvo VNL trucks with D13 VGT (Variable Geometry Turbocharger) engines. Genuine Volvo part 85013731.

Q: What fault codes does a failing VGT actuator trigger?
A: Common codes include SPN 641 (turbocharger wastegate/bypass actuator) and VGT position fault codes in Volvo VCADS.

Q: Does this actuator need calibration after installation?
A: Yes. VGT actuator calibration using Volvo VCADS diagnostic tool is required after installation for proper boost control.

Q: Is this a genuine Volvo OEM part?
A: Yes. This is a genuine Volvo OEM VGT actuator — using a genuine part avoids persistent fault codes common with non-OEM actuators.

Q: What is included with this actuator?
A: Includes the complete Volvo VGT turbo actuator assembly 85013731 ready for installation.